Mutually exclusive.
That contradicts something, such as an argument.
That is diametrically opposed to something.
That is itself a contradiction.
Tending to contradict or oppose, contrarious.
Either of a pair of propositions, that cannot both be true or both be false.
Developing uniformly on all sides.
Moving along a radius.
Of, or relating to the radius bone.
Of, or relating to the radius (vein), and/or the wing areas next to it.
Arranged like rays that radiate from, or converge to a common centre.
A radial tire / radial tyre.